<template>
    <div>
        <h1 v-red>我是App</h1>
        <h1 v-bgColor="'yellowgreen'">我是App1</h1>
        <h1 v-bgColor="'skyblue'">我是App2</h1>
        <h1>{{ userName | add$('qq') }}</h1>
    </div>
</template>

<script>
export default {
    name: "App",
    data() {
        return {
            userName: "KaSha",
        };
    },
};
</script>

<style></style>
